MY score is 540 with Q43 V20 (IN the veritas prep free CAT test) .how can i improve my verbal and also  to increase Quant  
I am sitting for more then four hours per day for gmat preparation.
pls provide me strategy to improve My score above 740.
i have to improve in Probability,  permutation  and combination .Also in number theory . this are  the areas i have identified so far. 
I have to  concentrate heavily on Verbal section    
i have plan to use Manhattan GMAT SC giude also  the other one For RC.
im planning to take GMAT within TWO months, is this time enough to improve the score .if not i can ex-terned one more month.
initially i have take GMATprep test 1 -390 Score from then i scored 540  which i have take in gap of 16 days
Thanks 
Venkatesan.S
							